html,body,ul,ol,li,img,p,a,div,form,input{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /*去除移动端有点击高亮显示的问题*/
    -webkit-tap-highlight-color:transparent;
}
.bui-icon, address, cite, dfn, em, i, var {
    font-style: normal;
}

body{
    font-family: "微软雅黑",sans-serif;
    /* font-size:13px; */
}
a,a:hover{
    color: #666;
    text-decoration: none;
}
ul,ol{
    list-style: none;
}
input{
    /* 1.清除文本框获取焦点是默认的边框阴影 */
    outline: none;
    /* 2.去除边框 */
    border:none;
    /* 3.添加边框 */
    border: 1px solid #ccc;
}

/* 2.添加新的样式 */
.f_left{
    float: left;
}
.f_right{
    float: right;
}
.clearfix::before,.clearfix::after{
    content:"";
    display: block;
    height: 0;
    line-height: 0px;
    clear: both;
    visibility: hidden;
}